My roof's leakin' after last night's storm.

The leakiness of the old roof became apparent after the heavy rain.

The roof was leaking during last night's storm, so we put buckets under the drips.

The leaking of the old roof caused water to damage the boxes in the attic.

The old roof had several leakings last spring, forcing us to replace the tiles.

The engineer documented the leakinesses of the old pipe network before proposing replacements.